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Question

If a rectangle and a parallelogram have an equal base and the same perimeter, then the area of the rectangle will be ______ area of the parallelogram.

A
Equal to
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B
Greater than
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C
Less than
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D
None
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Solution

The correct option is A Greater than

Let length and breadth of rectangle be b and a respectively.
Then, area of rectangle =a×b
Also, area of IIgm =b×h
Also, sinα=hah=asinα
Hence, area of IIgm =absinα
α<900,so,sinα<1absinα<ab
Hence, area of IIgm < rectangle area
or area of rectangle > area of IIgm.



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